Top Architect
Jan 7, 2022 · Operations
Technical Analysis of the Xi'an Health Code System Crash and Its Performance Bottlenecks
The article examines the repeated failures of the Xi'an health‑code platform, explaining that the root cause lies in serving all static assets (JS, CSS, images) from a single un‑CDN endpoint, which under peak load of 33 000 requests overwhelms the network bandwidth, leading to a crash.
Backend PerformanceCDNNetwork Bandwidth
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